PlanB may cause some women to experience heavier or lighter menstrual bleeding compared to their regular periods. After taking PlanB, some women get their period sooner than expected, while others get it later. Taking PlanB One-Step may makeyourperiodlate or affect your menstrual cycle in other ways. After taking the emergency contraceptive, you may get yourperiod about a week early or a week late, and bleeding may be lighter or heavier than usual. Research has found that taking EC both before ovulation and later in the menstrual cycle can make a period last longer than usual. Overall characteristics. You may notice lighter or heavier bleeding than usual after taking PlanB. Yes, PlanB can makeyourperiodlate. It contains a high dose of the hormone levonorgestrel, which delays ovulation and shifts your cycle. taking planb after unprotected sex can makeyourperiodlate or irregular.“PlanB can makeyour cycle more irregular for a single month,” she tells Elite Daily. “After that, your cycles will return to their baseline.” This form of emergency contraception can be a lifesaver as a backup method for preventing pregnancy, and it’s readily available at most drugstores, with no ID required. We know this little pill can save you from a lot of worry, but couldPlanBmakeyourperiodlate? Learn about how PlanB can potentially delay ovulation, makingyourperiodlate. Find out when to take PlanB and its effectiveness within 24 hours. #planB #birthcontrol #howto. How latecanplanb delay a period? mine was due 4 days ago and is still not here. had a negative test the day it was due. i am cycle day 33 now with no period. planb was take may 10th? A doctor has provided 1 answer. Watch for yourperiod. PlanB can makeyourperiodlate. Usually, it will only be a week or so. Nonetheless, PlanB can cause other problems, such as spotting. If you spot for a week after taking the pill, talk to your doctor.[5] X Research source. Can these pills makeyourperiod more than one week late ? 120 Views v.I ingested the planb after unprotected intercourse and 12 hours later I had unprotected intercourse agai ... CanPlanBmakeyourperiodlate or cause bleeding? Yes, PlanB can affect yourperiod by making it lighter or heavier than you’re used to, and it may be delayed during the next cycle. CanPlanBmakeyourperiodlate? Maybe. After taking any EC pill, your next period may come sooner or later than normal. Most people will get their periods within a week of the expected date, but it might be heavier, lighter, more, or less painful than normal. Additionally, if you’ve wondered if PlanB can makeyourperiodlate, the answer is yes — it can affect the timing of your cycle, causing it to come up to a week earlier or later. Some birth control options can delay yourperiod or even stop it. For example, emergency contraception (planB) can makeyourperiodlate for a few days or weeks. On the other hand, some birth control pills, such as the combination pill, help you have more regular periods.